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Light meter
| Глоссарий по фотографии |
- A device that measures the amount of light in a scene. your dslr has one built in, it uses reflective readings (light bouncing off the subject coming back through the lens [ttl])
- See photometer. compare radiometer.
- Photometer. compare radiometer.
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Photometer, английский
- Instrument that measures luminous intensity, luminous flux, light distribution or color.
- An instrument which measures luminous intensity.
- Any instrument that measures photometric quantities such as luminance, luminous intensity, luminous flux, and illumination.
- Device used to measure illuminance. the sensor is filtered such that its response closely matches the spectral responsivity curve of the human eye. in nondestructive testing, photometers measure lux. compare radiometer.
- Device used to measure luminance or illuminance. illuminance photometers are often called lux meters. photometer integral sensors are filtered such that their responsivity closely matches the spectral responsivity curve of the human eye (in other words, the action spectrum of interest). compare radiometer.
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Light, английский
- Space in a window sash for a single pane of glass. also, a pane of glass.
- Electromagnetic radiation in the spectral range detectable by the human eye (approx. 380 to 720nm).
- Light refers to a fragrance that’s not heavy – go figure!
- Electromagnetic radiation detectable by the eye, ranging in wavelength from about 400 to 750 nm.
- Свет; огонь; лампа 326
- Свет; огонь; лампа
- The region of the electromagnetic spectrum that can be perceived by human vision, designated by the visible spectrum and nominally covering the wavelength range of 400-770 nm. in optical communications, it includes the much broader portion of the electromagnetic spectrum that can be handled by the basic optical techniques used for the visible spectrum. this region is not clearly defined but may be considered to extend from the near-ultraviolet region of approximately 300 nm, through the visible region, and into the mid-infrared region to 30,000 nm
- Electro-magnetic radiation with wavelengths in the spectral bandwidth perceived by the human eye (ca. 400 - 700 nm).
- Usually refers to the visible spectrum. the range of electromagnetic radiation frequencies detected by the eye, or the wavelength range from about 400 to 700 nanometers. the term is sometimes used loosely to include radiation beyond visible spectrum limits.
- Electromagnetic energy defined as visible energy between 380 -780nm range.
- (1) the radiant energy which, after entering the eye, provides the initial stimulus for sight, (2) electromagnetic radiations visible to the human eye which gives rise to the sensation of vision by stimulating the rod and cone cells of the retina; absence of darkness.
- Свет, освещение, огон?к
- The energy that makes things bright and helps a person to see there’s not enough light in here to take a photo.
- Огонь судна или маяка
- Огонь (навигационный)
- [1] the correct name for a lighthouse. [2] the proper term for a navigation light. [3] the glass in a port or other opening in the hull, whether hinged or fixed.
- Глобальная гипертекстовая система для поддержки жизненного цикла по
- A generally non-sweet, non-cloying fragrance where the fresh note is predominant. often formulated as an eau fraiche or deodorant cologne for all-over body wear in warm climates or for sports.
- Свет. радиация (см. radiation), способная стимулировать орган зрения (видимое излучение) (вмо).
- Visible radiation; radiant energy that can excite the retina and produce a visual sensation; visible portion of the electromagnetic spectrum, from about 380 to 800 nm.
- Radiant energy that can excite the retina and produce a visual sensation. the visible portion of the electromagnetic spectrum extends from about 400 to 800 nm.2,6 lighting, back: placement of light source and image sensor on opposite sides of the test object, used when the silhouette of a feature is important. lighting, flash: see lighting, strobe. lighting, front: placement of light source and image sensor on the same side of the test object. lighting, strobe: lighting that flashes intermittently at a rate that may be adjusted and is often perceived as a flicker, used to image moving objects or still objects with potential movement. 312 visual testing lighting, structured: combining a light source with optical elements to form a line or sheet of light.
- Electromagnetic radiation that can excite the retina and produce a visual sensation. the visible portion of the electromagnetic spectrum extends from 400 to 760 nm.
- Electromagnetic radiation that falls within the human eye’s response range.
- Photopic vision.
Light, английский
Light & heavy, английский
A light fragrance is balanced toward the top notes. a heavy fragrance is balanced towards the bottom notes.
Light (adj), английский
Having a font weight that corresponds to a weight class value of 300 according to the opentype specification.
Light (crude) oil, английский
Легкая нефть. нефть с плотностью не более 0,855 г/куб.cм
Light (en) ing, английский
Освещение
Light - and - shade, английский
Light - gauge section, английский
Light - weight section, английский
Light activated silicon controlled rectifier, английский
Light actuated solid state plckoff, английский
Light adaptation, английский
Ability of the eye to adjust itself to an increase in the intensity of light.
Light adapted vision, английский
See photopic vision.
Light aggregate, английский
Light air, английский
- Beaufort force 1. sustained wind speed between 1 and 3 knots. ripples with the appearance of scales are formed, but without foam crests.
- Легкий ветер
- Force 1 on the beaufort scale (winds 1–3 knots = 1.15-.45 mph = 1.85–5.56 km/h).
Light airborne asw vehicle, английский
Легкий противолодочный вертолет или самолет
Light airborne attack vehicle, английский
Легкий штурмовик
Light airborne multipurpose (system), английский
Легкий многоцелевой вертолет «лэмп»
Light airborne multipurpose system, английский
Легкая авиационная многоцелевая система; легкий многоцелевой военный вертолет «лэмп»
Light aircraft binary information link, английский
Линия передачи данных в двоичном коде для легких самолетов
Light aircraft carrier, английский
Reflective, английский
Radiometer, английский
- An instrument, distinct from a photometer, to measure power (watts) of electromagnetic radiation.
- An instrument designed to measure the intensity of radiant energy.
- Device used to measure irradiance or radiant energy of specified frequencies. different radiometers exist for different frequencies. in nondestructive testing, radiometers are used to measure uv-a output, or leaked visible light, in microwatt per square centimeter (?w/cm2). see also irradiance. compare photometer.
- Device used to measure irradiance. in nondestructive testing, radiometers are used to measure uv-a output, or leaked visible light, in microwatt per square centimeter (?w·cm–2). see also irradiance. compare photometer.
- Device used to measure irradiance. in nondestructive testing, radiometers are used to measure uv-a output or visible light in si units of watts per square meter (w/m). used in fluorescent penetrant and magnetic particle testing to measure output of excitation sources. see also irradiance. compare photometer.
- Device used to measure irradiance. in nondestructive testing, radiometers are used to measure uv-a output, or leaked visible light, in microwatt per square centimeter (?w·cm–2).
- Irradiance. compare photometer. 386 magnetic testing
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Remote flash trigger, английский
A device used to fire speedlights off camera. pocket wizard is a popular brand.
Remote trigger or digital cable release, английский
A device that allows the camera to be fired without pressing the button or touching the camera. helps eliminate movement of the camera during long exposures.
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